/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package user;

import entity.User;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.ResultSet;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import model.Action;


/**
 *
 * @author Administrator
 */
public class login extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     *
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            User user=new User();
            String user1 = request.getParameter("user");
            String pass1 = request.getParameter("pass");
            String passse = Action.MD5(pass1);
            user.setUserName(user1);
            user.setPassword(passse);
            boolean check=user.checkLogin();
            
            if (check==false) {
                request.setAttribute("error", "Tên đăng nhập hoặc mật khẩu của bạn không đúng.</br> Hoặc Có Thể Tài Khoản Của Bạn Đã Bị Chặn ");
                RequestDispatcher rd=getServletContext().getRequestDispatcher("/login.jsp");
                rd.forward(request, response);
            } else {
                HttpSession session = request.getSession();
               session.setAttribute("Lev", user.getLever());
               session.setAttribute("idUser",user.getIdUser());
               session.setAttribute("name", user.getName());
               String url=(String)session.getAttribute("url");
               if(url==null){
                response.sendRedirect("index.jsp");
                }else{
                response.sendRedirect(url);
                }
            }
        } catch (Exception e) {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
